<span style="font-size:14px;">
<span style="font-size:14px;">
<meta charset="utf-8">
<head>
<title>交互式录播器</title>
<style>
.menu {width:100%; background:#00BFFF; height:45px; font-size:25px; font-family: "微软雅黑";}
.menu ul {padding:0px; list-style-type:none;}
.menu ul li {float:left; width:210px; height:45px; line-height:45px; text-align:center;}
.menu ul li a {text-decoration:none; color:#000000; display:block;}
.menu ul li a:hover {background:#fff; color:#000000;}
.menu ul li a:active {background:#fff; color:#000000;}
.menu ul li a:focus {background:#fff; color:#000000;}
</style>
</head>
<body  background=" 123.jpg">
<div class="menu"align="center">
  <ul>
    <li><a href="#">交互式录播器</a></li>
    <li><a href="左侧菜单.html">课程学习</a></li>
    <li><a href="播放.html">课前预习</a></li>
    <li><a href="https://www.w3school.com.cn/">课堂学习</a></li>
    <li><a href="录音音频.html">课后提问</a></li>
    <li><a href="用户反馈.html">用户反馈</a></li>
  </ul>
</div>
</body>
</html></span></span></span>
<p  align="center">
<p ><h1><p align="center">账号： <input type="text" name="text1" size="30" maxlength="30"></br>
<p align="center">姓名： <input type="text" name="text2" size="30" maxlength="24" value=""></br>
<p align="center">输入密码： <input type="password" name="text3" size="15" maxlength="15"></h1> </p>
<p align="center"> 
<input type="submit" name="登录" value="登录">
<input type="reset" name="重写" value="重 写">
</p>
</form>
